About: http://webisa.webdatacommons.org/327707091

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	F. Hash Functions & Digital Signatures Often when one wants to sign something, such as a long message or document, it is inconvenient to sign the entire message.
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu